Cremona's table of elliptic curves

Curve 21630d1

21630 = 2 · 3 · 5 · 7 · 103



Data for elliptic curve 21630d1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7+ 103- Signs for the Atkin-Lehner involutions
Class 21630d Isogeny class
Conductor 21630 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 6144 Modular degree for the optimal curve
Δ 41529600 = 28 · 32 · 52 · 7 · 103 Discriminant
Eigenvalues 2+ 3- 5+ 7+  2  0  0  2 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-109,296] [a1,a2,a3,a4,a6]
Generators [-2:23:1] Generators of the group modulo torsion
j 141339344329/41529600 j-invariant
L 4.2982053947786 L(r)(E,1)/r!
Ω 1.8910486199894 Real period
R 1.1364608369516 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 64890cg1 108150cb1 Quadratic twists by: -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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